The new TS-x77XU lineup targets enterprise customers with no less than 8 rackmount NAS models. Most of these models come with redundant power supply units and use AMD Ryzen processors. Depending on the model chosen, the processor used can be the quad-core Ryzen 3 1200, the hexa-core Ryzen 5 2600, or the octa-core Ryzen 7 2700.
https://www.notebookcheck.net/QNAP-intros-the-TS-x77XU-NAS-lineup-with-AMD-Ryzen-inside.328926.0.html